linux-kernel - Re: [PATCH v2 04/20] clk: sunxi: Fix gate indexing for sun6i-a31-apb0-gates

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Date:	Wed, 18 Jun 2014 11:38:50 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Chen-Yu Tsai <wens@...e.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Mike Turquette <mturquette@...aro.org>,
	Emilio Lopez <emilio@...pez.com.ar>,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-serial@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...glegroups.com, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>,
	Luc Verhaegen <libv@...net.be>
Subject: Re: [PATCH v2 04/20] clk: sunxi: Fix gate indexing for
 sun6i-a31-apb0-gates

On Tue, Jun 17, 2014 at 10:52:41PM +0800, Chen-Yu Tsai wrote:
> sun6i-a31-apb0-gates supports using clock-indices for holes between
> individual gates. However, the driver passes the number of gates
> registered in clk_data->clk_num, which of_clk_src_onecell_get uses
> to recognize the range of valid indices a consumer can use.
> 
> This patch makes the driver pass the maximum gate index + 1, so
> of_clk_src_onecell_get does not complain about indices greater
> than gates registered.
> 
> This was tested on the A23 SoC, which has a similar APB0 clock,
> but has holes for gates to removed IP blocks.
> 
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>

Acked-by: Maxime Ripard <maxime.ripard@...e-electrons.com>

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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